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4170t-ams.ib.rev0.doc 

Page 4 of 14 

17/10/2007 

Technical Specifications 

IRT Eurocard module 

Type AMS-4170T

 

 

Video: 

Video crosstalk between channels 

< -70 dB to 10 MHz. 

 

< -60 dB 10 MHz to 100 MHz. 

 

< -50 dB 100 MHz to 300 MHz. 

 

(With measured channel input terminated by 75 

.) 

 

Audio: 

Audio Crosstalk 

Between channels with measured channel input terminated by 600 Ohms. 

 

Less than -90 dB (20 Hz - 20 KHz). 

 

Control: 

Inputs 

Ground active control to TTL level interface circuit, or 

 

if interface circuit bypassed, to the relay coil with the common of the coil 
circuit connected to +12 Volts. 

 

Connectors:

 

Audio:

 

3 pin plug in screw termination sockets. 

Control: 

4 pin plug in screw termination socket. 

 

Other: 

Relay contact rating 

24 Vdc - 1 A 

 

100 Vac - 0.3 A 

Power requirements:

 

28 Vac CT (14-0-14) or 

±

 16 Vdc 

Power consumption 

1 VA. 

Temperature range 

0 - 50° C ambient 

Mechanical  

Suitable for mounting in IRT 19" rack chassis with input, output and 
power connections on the rear panel. 

Finish:  

Front panel 

Grey background, black lettering & red IRT logo. 

 Rear 

assembly Detachable 

silk-screened 

PCB with direct mount connectors to Eurocard 

and external signals. 

Dimensions 

6 HP x 3 U x 220 mm IRT Eurocard. 

 
Supplied accessories 

Rear connector assembly with matching connectors for control inputs. 

 
Optional accessories 

SNMP plug-in module for use with 4000 series frame fitted with SNMP 
“Agent”. 

 
 

Summary of Contents for AMS-4170T

Page 1: ...signals Designed and manufactured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUST...

Page 2: ...ng index 14 This instruction book applies to units later than S N 0504001 Operational Safety WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous t...

Page 3: ...its own transistor driver circuit which may be bypassed for direct operation of the relay if desired Links allow any of the three driver circuits to operate more than one of the sets of relays Front...

Page 4: ...s Audio 3 pin plug in screw termination sockets Control 4 pin plug in screw termination socket Other Relay contact rating 24 Vdc 1 A 100 Vac 0 3 A Power requirements 28 Vac CT 14 0 14 or 16 Vdc Power...

Page 5: ...a SK 5 pin 1 to ground SK 5 pin 4 In order for the front panel switches to work as intended AMS 4170T should be run in unison operation Separate video stereo audio operation 1 One control signal for v...

Page 6: ...ion 1 Video control 2 Left audio control 3 Right audio control 4 Gnd Note O C Open Circuit Front Panel Switches The AMS 4170T has two front panel switches a local remote switch and an activate de acti...

Page 7: ...that information into a form compatible with SNMP The agent therefore acts as an interface between the NMS and the managed devices The NMS sends a request message and control commands for the managed...

Page 8: ...eed a plug in SMU 4000 module with a program relevant to the module that it is plugged into Depending on the module besides the module identification parameters such as alarm states inputs and control...

Page 9: ...The current state of the Left Audio switch state The current state of the Right Audio switch state The current state of the front panel switches relevant to AMS 4170T only Note SNMP control is disabl...

Page 10: ...match source impedance usually 75 Ohm Audio connections Audio signal connections are made to plug in balanced screw terminating connectors No termination of inputs is provided on the module When switc...

Page 11: ...e up with the three sets of multipin sockets on the main PCB module Align all pins and then gently press the SMU 4000 all the way down into place If the SMU 4000 is not already programmed with the cor...

Page 12: ...mbly drawings are not to scale and are intended to show relative positions of connectors indicators and controls only P4 P3 AMS 4170 OUT B OUT A IN A IN B CONTROL 1 2 3 4 G G G G G G G G OUT B IN B OU...

Page 13: ...extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment...

Page 14: ...170t ams ib rev0 doc Page 14 of 14 17 10 2007 Drawing Index Drawing Sheet Description 805036 1 AMS 4170 main circuit schematic 805036 2 AMS 4170 power supply schematic 805036 3 AMS 4170 SNMP interface...

Page 15: ...BSS123 1 3 2 D5 BAS16 1 3 2 D8 BAS16 5V 5V 2 1 R7 3K0 2 1 R8 1K 2 1 R6 4K7 2 1 R9 3K0 1 2 C6 100nF 2 1 LK4 2 1 LK5 3 2 1 Q4 BSS123 3 2 1 Q5 BSS123 3 2 1 Q6 BSS123 1 3 2 D6 BAS16 5V 5V 2 1 R12 3K0 2 1...

Page 16: ...3 AMS 4170 805036 Date 1 12 Aug 2005 AC 1 AC 2 AC 3 AC 4 12V 5V 5V 12V 1 2 C2 1uF I 1 O 3 C 2 C 4 U1 7812 1 2 C3 1uF 1 2 C4 10uF 1 2 C1 470uF 2 1 LD4 GRN I 3 G 2 O 1 U2 78L05 1 2 C8 10uF 1 2 C9 10uF 2...

Page 17: ...BSS123 1 3 2 CR1 N C 5V 13A 13B 16A MAJOR ALARM SNMP interface D10 WILL PULL ALARM LOW ON POWER LOSS THROUGH 5V PULL UP IN NETWORK CARD IN FRAME 5V 1 2 3 4 5 6 7 8 10 9 1J2 1 2 3 4 5 6 7 8 10 9 1J1 S...

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